US approves single-dose Johnson & Johnson COVID-19 vaccine for emergency use
World | February 28, 2021 7:46 ISTThere are clear advantages aside from the convenience of one shot. Local health officials are looking to use the J&J option in mobile vaccination clinics, homeless shelters, even with sailors who are spending months on fishing vessels — communities where it’s hard to be sure someone will come back in three to four weeks for a second vaccination.